Originally Posted by
FBinNY
Electrical tape lacks the strength of a reinforced tape and will, blow through at higher pressures or when it gets hot outside. But just about any reinforced tape will do, including cloth surgical tape, reinforced packing tape, and so on.
I've used a double layer in a pinch, I had meant to swap it out later but had forgotten until I had to change the tube two years later. I do agree though that I wouldn't trust it, I could see quite a few spots where the spoke nipples had almost broken through.